Try this: *Download the Firefox installer and save the file to the desktop<br>https://www.mozilla.org/en-US/firefox/all/ You can copy the full Firefox installer to a removable USB stick and restore the file to the desktop on the other computer. *Start the installation with a double-click on the desktop icon ---- A detail like a website remembering you (log you in automatically) is stored in a cookie. You can check the password in a New Private Window if you aren't sure. ----- *http://kb.mozillazine.org/Profile_backup *https://support.mozilla.org/kb/Backing+up+your+information